Description
Overview:
This Spark Plug for Kohler KT and ZT Series engines is a Genuine OEM replacement part designed to restore consistent ignition performance. It provides the spark needed to ignite the air‑fuel mixture, supporting reliable starting, smooth running and correct combustion across typical mowing and utility workloads. Built with a durable steel shell and high-dielectric ceramic insulator, it withstands heat, vibration and normal service intervals in garden and light construction machinery. This Genuine Kohler spare part is supplied under OEM No. 25 132 13-S and replaces 25 132 23-S. Suitable for twin-cylinder 4‑stroke petrol engines used in ride‑on mowers and compact equipment, including examples such as KT725 and KT740. Fits selected Kohler KT725, KT735, KT740, KT745, ZT710, ZT720, ZT730 and ZT740 engines where this part number is specified.
Key Features:
- Genuine OEM Kohler spark plug for accurate fit
- OEM No. 25 132 13-S, replaces 25 132 23-S
- Direct fit for KT725, KT735, KT740, KT745 engines
- Also fits ZT710, ZT720, ZT730, ZT740 engines
- Supports reliable cold and hot starting
- Promotes stable idle and clean combustion
- Robust steel shell and ceramic insulator construction
- Supplied pre-set; verify gap to Kohler specifications
- Compatible with standard small-engine ignition leads
- Suitable for routine servicing and fault diagnosis
- Helps maintain fuel efficiency and throttle response
- Sold individually for precise service quantities
Typical Applications:
Used in Kohler KT and ZT Series twin-cylinder petrol engines fitted to ride‑on lawn tractors, zero‑turn mowers and compact implements. It provides the ignition source within the cylinder head, supporting dependable starting, smooth running and consistent power delivery during grass cutting, grounds maintenance and light-duty site tasks.
Also known as:
Engine spark plug, ignition plug, Kohler spark plug, KT Series spark plug, ZT Series spark plug, 25 132 13-S plug, replacement spark plug for Kohler engines.
Fits Models:
KT725, KT735, KT740, KT745, ZT710, ZT720, ZT730, ZT740
Alternate Part Numbers:
25 132 23S, 2513223-S, 2513223S, 25 132 13-S, 2513213-S
Product Specifications
| L&S Part No. | 25 132 13-S |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kohler |
| OEM No. | 25 132 13-S |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Kohler |
| Key Features | - Compatible with Kohler KT725, KT735, KT740 engines. - OEM part number 25 132 13-S. - Direct replacement for 25 132 23-S. - Genuine Kohler spare part. - For scheduled ignition maintenance and replacement. |
| Fits Models | KT725 | KT735 | KT745 | KT740 | ZT710 | ZT720 | ZT730 | ZT740 |
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